Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. An image display device comprising: an image input unit into which an image signal from an image signal source is input; a memory; a writing unit configured to write at a first frequency an image signal input into the image input unit into the memory; a reading unit configured to read at a second frequency higher than the first frequency an image signal written in the memory; an image output unit configured to output an image signal read by the reading unit to a display unit; and an image interpolation unit configured to interpolate an image to be output to the display unit, wherein the image input unit includes a first image input unit and a second image input unit, different image signals being input into the first image input unit and the second image input unit, wherein the memory includes a first memory and a second memory, wherein the writing unit includes: a first writing unit configured to write at the first frequency an image signal input into the first image input unit into the first memory; and a second writing unit configured to write at the first frequency an image signal input into the second image input unit into the second memory, wherein the reading unit includes: a first reading unit configured to read at the second frequency higher than the first frequency an image signal written in the first memory; and a second reading unit configured to read at the second frequency an image signal written in the second memory, and wherein the image interpolation unit includes an image processing unit configured to combine an image signal read by the first reading unit and an image signal read by the second reading unit.
2. The image display device according to claim 1 , wherein the memory is a single buffer, and wherein the reading unit reads an image signal written in the memory in synchronization with a writing operation by the writing unit.
This invention relates to an image display device designed to improve synchronization between writing and reading image data to prevent display artifacts. The device includes a memory acting as a single buffer that stores image signals, a writing unit that writes image signals into the memory, and a reading unit that reads the image signals from the memory. The reading unit operates in synchronization with the writing unit to ensure that image data is read at the same rate it is written, preventing mismatches that could cause visual distortions. The single-buffer design simplifies the system by eliminating the need for multiple buffers, reducing hardware complexity while maintaining smooth display performance. This approach is particularly useful in applications requiring real-time image processing, such as video playback or high-speed imaging systems, where synchronization between data writing and reading is critical to avoid frame drops or visual glitches. The invention ensures consistent image quality by coordinating the timing of write and read operations, making it suitable for devices where display stability is essential.
3. The image display device according to claim 1 , wherein the memory is a double buffer, and wherein the reading unit reads an image signal written in the memory asynchronously with a writing operation by the writing unit.
This invention relates to an image display device designed to improve synchronization between image writing and reading operations. The device includes a memory configured as a double buffer, allowing simultaneous writing and reading of image data without interference. A writing unit writes image signals into the memory, while a reading unit reads the image signals asynchronously from the memory. The double buffer structure ensures that the reading operation does not disrupt the writing process, preventing data corruption and maintaining smooth display performance. This asynchronous operation is particularly useful in systems where image data is continuously updated, such as in real-time video processing or high-speed imaging applications. The double buffer memory enables seamless transitions between frames, reducing visual artifacts and improving overall display quality. The invention addresses the challenge of maintaining synchronization in image display systems where writing and reading operations must occur independently but without data conflicts. By decoupling these operations, the device ensures reliable and efficient image rendering.
4. The image display device according to claim 1 , further comprising a cut-out region instruction unit configured to instruct a region to be read as a cut-out region of an image signal written in the memory, wherein the cut-out region instruction unit is configured to change a position of the cut-out region.
An image display device includes a memory for storing an image signal and a display unit for displaying an image based on the image signal. The device further includes a cut-out region instruction unit that designates a specific region within the stored image signal to be treated as a cut-out region. This unit allows the position of the cut-out region to be dynamically adjusted. The display unit then processes the image signal to exclude or modify the designated cut-out region before displaying the image. This configuration enables selective removal or alteration of portions of the image, providing flexibility in how the image is presented. The cut-out region instruction unit may interact with user inputs or automated controls to reposition the cut-out region as needed, ensuring adaptability to different display requirements. The device may also include additional features such as image processing units to enhance or modify the image signal before display, ensuring optimal visual output. The ability to adjust the cut-out region position allows for real-time customization of the displayed image, addressing the need for dynamic content management in display systems.
5. The image display device according to claim 1 , wherein the image interpolation unit includes an image processing unit configured to perform image processing including distortion correction of a panoramic image or a full 360-degree spherical image.
This invention relates to image display devices designed to process and display panoramic or full 360-degree spherical images. The primary challenge addressed is the distortion that occurs when capturing or displaying wide-angle or spherical images, which can result in visual artifacts such as warping or stretching. To solve this, the device includes an image interpolation unit with an image processing unit specifically configured to perform distortion correction. This correction ensures that the displayed image maintains accurate proportions and minimizes visual distortions, providing a more natural and immersive viewing experience. The image processing unit may apply various algorithms to adjust pixel mapping, correct lens distortion, or apply geometric transformations to the input image data. The device is particularly useful in applications requiring high-fidelity panoramic or spherical image display, such as virtual reality, augmented reality, or immersive media systems. By integrating distortion correction into the image interpolation process, the invention enhances the quality and realism of displayed content.
6. The image display device according to claim 1 , further comprising a controller, wherein the reading unit reads an image signal written in the memory for each region depending on an operation of the controller.
This invention relates to an image display device designed to improve control over image display by selectively reading image signals from memory based on user input. The device includes a memory that stores image signals for multiple regions of a display, a reading unit that retrieves these signals, and a display unit that renders the images. The key innovation is a controller that allows dynamic adjustment of the reading process. The reading unit reads image signals from memory for specific regions of the display in response to user operations via the controller. This enables selective updating or modification of displayed content without affecting other regions, improving efficiency and flexibility in image display management. The controller may include input mechanisms such as buttons, touch interfaces, or software controls to dictate which regions are read and displayed. This selective reading capability is particularly useful in applications requiring partial updates, such as digital signage, medical imaging, or interactive displays, where only certain areas of the screen need to be refreshed or modified based on user interaction. The invention enhances performance by reducing unnecessary data processing and memory access, while providing precise control over displayed content.
7. The image display device according to claim 1 , wherein the image signal input into the first image input unit includes a plurality of sub-frames.
An image display device is designed to enhance visual quality by processing image signals containing multiple sub-frames. The device includes a first image input unit that receives an image signal, where this signal is composed of multiple sub-frames, each representing a portion of the full image data. A second image input unit receives a second image signal, which may be a different type of signal, such as a video or graphics signal. The device also features a signal processing unit that processes the input signals to generate an output image. This processing may involve combining, synchronizing, or otherwise manipulating the signals to improve display performance. The output image is then displayed on a display unit, which may be a screen or other visual output device. The inclusion of sub-frames in the first image signal allows for higher frame rates or improved motion handling, reducing motion blur and enhancing visual smoothness. The device may also include a control unit to manage signal timing and synchronization between the input signals and the display unit. This technology addresses the challenge of displaying high-quality images with reduced motion artifacts, particularly in applications requiring fast-moving visuals or high refresh rates.
8. The image display device according to claim 7 , wherein the image interpolation unit includes an image processing instruction unit and an image modification processing unit configured to cut out a specific image from the sub-frame.
This invention relates to image display devices, specifically addressing the challenge of improving image quality in displays by enhancing sub-frame processing. The device includes an image interpolation unit that processes sub-frames to generate a final output image. The interpolation unit comprises an image processing instruction unit and an image modification processing unit. The image modification processing unit is configured to extract a specific image region from a sub-frame, allowing for targeted adjustments or enhancements. This selective extraction enables precise modifications, such as sharpening, noise reduction, or color correction, applied only to the relevant portion of the image. The image processing instruction unit directs the modification process, ensuring the extracted region is processed according to predefined criteria. By isolating and refining specific areas of sub-frames, the device improves overall image clarity and visual fidelity without affecting unrelated regions. This approach is particularly useful in high-resolution displays where fine details must be preserved or enhanced. The system dynamically adapts to varying image content, optimizing display performance for both static and dynamic scenes. The invention builds on prior techniques by introducing a more granular control mechanism for sub-frame manipulation, reducing artifacts and improving efficiency in image rendering.
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October 27, 2020
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